16675481656 has 8 divisors (see below), whose sum is σ = 31266528120. Its totient is φ = 8337740824.

The previous prime is 16675481633. The next prime is 16675481659. The reversal of 16675481656 is 65618457661.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 16675481597 and 16675481606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16675481659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042217596 + ... + 1042217611.

It is an arithmetic number, because the mean of its divisors is an integer number (3908316015).

Almost surely, 2^16675481656 is an apocalyptic number.

It is an amenable number.

16675481656 is a deficient number, since it is larger than the sum of its proper divisors (14591046464).

16675481656 is a wasteful number, since it uses less digits than its factorization.

16675481656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084435213 (or 2084435209 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The spelling of 16675481656 in words is "sixteen billion, six hundred seventy-five million, four hundred eighty-one thousand, six hundred fifty-six".